I tested granny pants from £1.20 to £22 — one was comfy, sexy and invisible under my trousers

I’ve joined the 67% of women who would prefer full briefs over thongs (Picture: Metro Pics Desk)

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My relationship with underwear is something I hadn’t considered since I was a tween. 

I remember asking my mum if I could swap out my briefs for something more… flattering. Leaving Primark a few days later with various strips of neon lace, I was over the moon with my new grown-up purchases. 

What followed ...